Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753243AbYAWAk7 (ORCPT ); Tue, 22 Jan 2008 19:40:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751512AbYAWAkw (ORCPT ); Tue, 22 Jan 2008 19:40:52 -0500 Received: from netops-testserver-3-out.sgi.com ([192.48.171.28]:53463 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750906AbYAWAkv (ORCPT ); Tue, 22 Jan 2008 19:40:51 -0500 Date: Tue, 22 Jan 2008 16:40:50 -0800 (PST) From: Christoph Lameter X-X-Sender: clameter@schroedinger.engr.sgi.com To: Benjamin Herrenschmidt cc: Andrea Arcangeli , Avi Kivity , Izik Eidus , Andrew Morton , Nick Piggin , kvm-devel@lists.sourceforge.net, steiner@sgi.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, daniel.blueman@quadrics.com, holt@sgi.com, Hugh Dickins Subject: Re: [kvm-devel] [PATCH] export notifier #1 In-Reply-To: <1201044989.6807.46.camel@pasglop> Message-ID: References: <20080113162418.GE8736@v2.random> <20080116124256.44033d48@bree.surriel.com> <478E4356.7030303@qumranet.com> <20080117162302.GI7170@v2.random> <478F9C9C.7070500@qumranet.com> <20080117193252.GC24131@v2.random> <20080121125204.GJ6970@v2.random> <4795F9D2.1050503@qumranet.com> <20080122144332.GE7331@v2.random> <20080122200858.GB15848@v2.random> <1201044989.6807.46.camel@pasglop> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 523 Lines: 14 On Wed, 23 Jan 2008, Benjamin Herrenschmidt wrote: > > - anon_vma/inode and pte locks are held during callbacks. > > So how does that fix the problem of sleeping then ? The locks are taken in the mmu_ops patch. This patch does not hold them while performing the callbacks. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/